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Which of the following molecules have the binding sites for calcium and tropomyosin filaments?

• Tropomyosin
• Tropomyosin Inhibitor
• Troponin
• Myosin

------------ has a high concentration of calcium, which plays a major role in muscle contraction.

• Actin
• Myofibrils
• Myosin
• Sarcoplasmic reticulum

Which of the following connective tissues covers the fascicles?

• Epimysium
• Perimysium
• Endomysium
• Myomysium

Which of the following muscle is considered as uninucleated and non-striated? (Choose the best answer)

• Cardiac muscle
• Smooth muscle
• Large intestine
• Smooth muscle and Large intestine
• Skeletal muscle

The ability of the muscle to respond to stimulus.

• Elasticity
• Extensibility
• Excitability
• Contractility

----------- consist of the myofilaments, actin and myosin.

• Sarcoplasm
• Myofibrils
• Fascicles
• Tendon

After the Calcium rushes into the presynaptic terminal, what is released into the synaptic cleft?

• Acetylcholine
• Acetylcholinesterase
• Calcium
• Dopamine
• Epinephrine

What are the three phases of muscle twitch

• Latent, contraction, and relaxation
• Lag, Depolarization, and Repolarization
• Depolarization and Repolarization
• Latent, Incomplete tetanus, and Complete tetanus

Determine the type of muscle contraction

• Isometric
• Isotonic
• Concentric

Lactic acid is produced in which type energy production?

• Anaerobic metabolism
• Aerobic metabolism
• Muscle twitching
• ATP outsourcing